UA92664C2 - Оцінка мультиплексованих з ортогональним частотним розділенням каналів - Google Patents
Оцінка мультиплексованих з ортогональним частотним розділенням каналів Download PDFInfo
- Publication number
- UA92664C2 UA92664C2 UAA200902848A UAA200902848A UA92664C2 UA 92664 C2 UA92664 C2 UA 92664C2 UA A200902848 A UAA200902848 A UA A200902848A UA A200902848 A UAA200902848 A UA A200902848A UA 92664 C2 UA92664 C2 UA 92664C2
- Authority
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- Ukraine
- Prior art keywords
- channel
- symbols
- signal
- module
- pilot symbols
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract description 44
- 239000000969 carrier Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 22
- 238000004364 calculation method Methods 0.000 description 19
- 238000011156 evaluation Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 14
- 238000012937 correction Methods 0.000 description 12
- 238000001914 filtration Methods 0.000 description 12
- 238000012546 transfer Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- NFGODEMQGQNUKK-UHFFFAOYSA-M [6-(diethylamino)-9-(2-octadecoxycarbonylphenyl)xanthen-3-ylidene]-diethylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCCOC(=O)C1=CC=CC=C1C1=C2C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C21 NFGODEMQGQNUKK-UHFFFAOYSA-M 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
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- 238000012935 Averaging Methods 0.000 description 2
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- 230000000996 additive effect Effects 0.000 description 2
- 238000012854 evaluation process Methods 0.000 description 2
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- 230000004044 response Effects 0.000 description 2
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- 230000000694 effects Effects 0.000 description 1
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- ZEKANFGSDXODPD-UHFFFAOYSA-N glyphosate-isopropylammonium Chemical compound CC(C)N.OC(=O)CNCP(O)(O)=O ZEKANFGSDXODPD-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/022—Channel estimation of frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0256—Channel estimation using minimum mean square error criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/467,730 US8363536B2 (en) | 2006-08-28 | 2006-08-28 | OFDM channel estimation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA92664C2 true UA92664C2 (uk) | 2010-11-25 |
Family
ID=38996736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UAA200902848A UA92664C2 (uk) | 2006-08-28 | 2007-08-27 | Оцінка мультиплексованих з ортогональним частотним розділенням каналів |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US8363536B2 (ko) |
| EP (1) | EP2070280B1 (ko) |
| JP (1) | JP5001370B2 (ko) |
| KR (1) | KR101043477B1 (ko) |
| CN (1) | CN101601243A (ko) |
| AT (1) | ATE522057T1 (ko) |
| AU (1) | AU2007290576B2 (ko) |
| BR (1) | BRPI0716389A2 (ko) |
| CA (1) | CA2661091A1 (ko) |
| IL (1) | IL196952A0 (ko) |
| MX (1) | MX2009002099A (ko) |
| NO (1) | NO20090799L (ko) |
| RU (1) | RU2418372C2 (ko) |
| UA (1) | UA92664C2 (ko) |
| WO (1) | WO2008027344A2 (ko) |
Families Citing this family (50)
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| US8238436B2 (en) * | 2007-03-30 | 2012-08-07 | Mediatek Inc. | Methods and device for fast acquisition of digital video signals |
| US20080273480A1 (en) * | 2007-05-02 | 2008-11-06 | Mediaphy Corporation | Dynamic adjustment of training time for wireless receiver |
| US8340220B2 (en) * | 2008-04-11 | 2012-12-25 | Panasonic Corporation | Receiver, integrated circuit, digital television receiver, reception method, and reception program |
| US8488690B2 (en) * | 2008-08-15 | 2013-07-16 | Intel Mobile Communications GmbH | Channel estimation |
| WO2010081896A2 (en) * | 2009-01-16 | 2010-07-22 | Abilis Systems Sarl | Interpolated channel estimation for mobile ofdm systems |
| TW201038024A (en) * | 2009-04-13 | 2010-10-16 | Univ Nat Chiao Tung | Channel estimation method of multi-carrier system |
| US8737546B2 (en) * | 2009-04-23 | 2014-05-27 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Channel estimation techniques for OFDM |
| JP5580405B2 (ja) * | 2009-05-14 | 2014-08-27 | コーニンクレッカ フィリップス エヌ ヴェ | Ｄｖｂ−ｔ／ｈ通信の堅牢な検出 |
| CA2768150C (en) * | 2009-07-15 | 2016-09-20 | Nortel Networks Limited | Selecting from among plural channel estimation techniques |
| US8416866B1 (en) * | 2009-07-30 | 2013-04-09 | Qualcomm Incorporated | System and method for reducing phase errors in multiple sub-carrier communication systems |
| US8467465B2 (en) * | 2009-08-07 | 2013-06-18 | Qualcomm Incorporated | Channel estimation using replicas zero forcing |
| EP2299641B1 (en) * | 2009-09-17 | 2016-02-10 | ST-Ericsson (France) SAS | Process for estimating the channel in a OFDM communication system, and receiver for doing the same |
| CN101699807B (zh) * | 2009-11-03 | 2013-03-06 | 上海大学 | 低密度导频分布的ofdm快变信道估计方法 |
| FR2954515B1 (fr) * | 2009-12-23 | 2012-08-17 | Thales Sa | Procede et dispositif de goniometrie de signaux interferant un signal utile module par plusieurs porteuses. |
| WO2011124028A1 (en) | 2010-04-07 | 2011-10-13 | Nokia Corporation | Relay control channel search space configuration |
| US9112760B2 (en) | 2010-10-18 | 2015-08-18 | Sony Corporation | Transmitter and transmitting method for transmitting data via OFDM symbols in which the data is provided from a plurality of different data pipes |
| GB201017566D0 (en) * | 2010-10-18 | 2010-12-01 | Sony Corp | Receiver and method of receiving |
| JP2012227848A (ja) * | 2011-04-22 | 2012-11-15 | Sony Corp | 受信装置、受信方法、プログラム、および受信システム |
| US8879472B2 (en) * | 2011-04-24 | 2014-11-04 | Broadcom Corporation | Long training field (LTF) for use within single user, multiple user, multiple access, and/or MIMO wireless communications |
| KR101871362B1 (ko) * | 2011-11-11 | 2018-06-27 | 삼성전자주식회사 | 직교 진폭 변조 심볼 매핑 장치 및 방법 |
| TWI436616B (zh) * | 2011-12-29 | 2014-05-01 | Ind Tech Res Inst | 通道估計的裝置及其方法 |
| CN103379059B (zh) * | 2012-04-23 | 2018-09-14 | 马维尔国际有限公司 | Mmse的信道估计方法和装置 |
| US8891491B2 (en) * | 2012-06-15 | 2014-11-18 | Intel Mobile Communications GmbH | Method of processing signals and a signal processor |
| US8548072B1 (en) | 2012-06-20 | 2013-10-01 | MagnaCom Ltd. | Timing pilot generation for highly-spectrally-efficient communications |
| US8781008B2 (en) | 2012-06-20 | 2014-07-15 | MagnaCom Ltd. | Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing |
| US8982984B2 (en) | 2012-06-20 | 2015-03-17 | MagnaCom Ltd. | Dynamic filter adjustment for highly-spectrally-efficient communications |
| US8681889B2 (en) | 2012-06-20 | 2014-03-25 | MagnaCom Ltd. | Multi-mode orthogonal frequency division multiplexing receiver for highly-spectrally-efficient communications |
| US9088400B2 (en) | 2012-11-14 | 2015-07-21 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
| US8811548B2 (en) | 2012-11-14 | 2014-08-19 | MagnaCom, Ltd. | Hypotheses generation based on multidimensional slicing |
| US9246730B2 (en) | 2013-06-19 | 2016-01-26 | Lg Electronics Inc. | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcase signals and method for receiving broadcast signals |
| US9118519B2 (en) | 2013-11-01 | 2015-08-25 | MagnaCom Ltd. | Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator |
| US8804879B1 (en) | 2013-11-13 | 2014-08-12 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
| US9130637B2 (en) | 2014-01-21 | 2015-09-08 | MagnaCom Ltd. | Communication methods and systems for nonlinear multi-user environments |
| US9496900B2 (en) | 2014-05-06 | 2016-11-15 | MagnaCom Ltd. | Signal acquisition in a multimode environment |
| US8891701B1 (en) | 2014-06-06 | 2014-11-18 | MagnaCom Ltd. | Nonlinearity compensation for reception of OFDM signals |
| US9628301B2 (en) | 2014-07-23 | 2017-04-18 | Texas Instruments Incorporated | Interference estimation for LTE receiver |
| US9246523B1 (en) | 2014-08-27 | 2016-01-26 | MagnaCom Ltd. | Transmitter signal shaping |
| CN104301274A (zh) * | 2014-09-03 | 2015-01-21 | 武汉邮电科学研究院 | 用于多用户场景的上行信道估计方法及系统 |
| US9276619B1 (en) | 2014-12-08 | 2016-03-01 | MagnaCom Ltd. | Dynamic configuration of modulation and demodulation |
| US9191247B1 (en) | 2014-12-09 | 2015-11-17 | MagnaCom Ltd. | High-performance sequence estimation system and method of operation |
| CN104580037B (zh) * | 2014-12-29 | 2017-12-01 | 江苏中兴微通信息科技有限公司 | 利用时域导频的单载波通信系统噪声方差估计方法及装置 |
| WO2017173160A1 (en) * | 2016-03-31 | 2017-10-05 | Cohere Technologies | Channel acquisition using orthogonal time frequency space modulated pilot signal |
| CN109120560B (zh) * | 2017-06-22 | 2021-06-29 | 上海数字电视国家工程研究中心有限公司 | 自适应的ici载波间干扰消除方法及装置 |
| CN109120559B (zh) * | 2017-06-22 | 2021-06-29 | 上海数字电视国家工程研究中心有限公司 | 自适应的ici载波间干扰消除方法及装置 |
| RU2646361C1 (ru) * | 2017-08-31 | 2018-03-02 | Закрытое акционерное общество "Национальный институт радио и инфокоммуникационных технологий" (ЗАО "НИРИТ") | Способ приема сигналов OFDM |
| KR102122135B1 (ko) * | 2018-11-27 | 2020-06-11 | 피앤피넷 주식회사 | 데이터 및 비콘을 위해 동일한 고속 푸리에 변환기를 이용하는 라디오 수신기 |
| CN110493155B (zh) * | 2019-07-27 | 2021-11-19 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Ofdm多载波加权解码系统 |
| US11558074B2 (en) | 2020-05-19 | 2023-01-17 | Nxp B.V. | Processing signals to account for multipath-reflection phenomena in RF communications |
| CN112134823B (zh) * | 2020-09-23 | 2023-05-19 | 中国电子科技集团公司第二十八研究所 | 基于cir峰值的ofdm信号符号同步误差估计方法 |
| CN114268523B (zh) * | 2021-12-21 | 2024-01-12 | 哲库科技(北京)有限公司 | 确定时域相关性的方法、装置、信号接收端及存储介质 |
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| GB2309864A (en) | 1996-01-30 | 1997-08-06 | Sony Corp | An equalizer and modulator using a training sequence and multiple correlation with a stored copy of the sequence |
| US6327314B1 (en) | 1998-04-01 | 2001-12-04 | At&T Corp. | Method and apparatus for channel estimation for multicarrier systems |
| US6643275B1 (en) | 1998-05-15 | 2003-11-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
| FR2798542B1 (fr) | 1999-09-13 | 2002-01-18 | France Telecom | Recepteur a multiplexage par repartition en frequences orthogonales avec estimation iterative de canal et procede correspondant |
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| KR100358120B1 (ko) * | 2000-10-20 | 2002-10-25 | 한국전자통신연구원 | 동일대역 인접채널 방식의 디지털 오디오 방송 전송 시스템 |
| US6654408B1 (en) * | 2000-10-27 | 2003-11-25 | Wisconsin Alumni Research Foundation | Method and system for multi-carrier multiple access reception in the presence of imperfections |
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| RU2293443C2 (ru) | 2001-08-01 | 2007-02-10 | Сименс Акциенгезелльшафт | Способ и устройство обмена данными между системой связи с одной несущей частотой и системой связи с многими несущими частотами, передатчик для сигналов с одной несущей и многими несущими и приемник для сигналов с одной несущей и многими несущими |
| US7324606B2 (en) | 2001-10-31 | 2008-01-29 | Henry Stephen Eilts | Computationally efficient system and method for channel estimation |
| US20040005010A1 (en) | 2002-07-05 | 2004-01-08 | National University Of Singapore | Channel estimator and equalizer for OFDM systems |
| RU2292654C2 (ru) | 2002-08-13 | 2007-01-27 | Нокиа Корпорейшн | Символьное перемежение |
| DE60301270T2 (de) | 2003-03-27 | 2006-07-20 | Nnt Docomo, Inc. | Vorrichtung und verfahren zur schätzung einer mehrzahl von kanälen |
| US7433433B2 (en) | 2003-11-13 | 2008-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation by adaptive interpolation |
| US8391413B2 (en) | 2003-12-19 | 2013-03-05 | Qualcomm Incorporated | Channel estimation for an OFDM communication system with inactive subbands |
| US7412005B2 (en) | 2004-02-19 | 2008-08-12 | Nokia Corporation | Method and apparatus providing time domain interpolated channel estimation with advanced noise suppression for multicarrier transmissions |
| WO2005117377A1 (en) | 2004-05-28 | 2005-12-08 | Koninklijke Philips Electronics N.V. | Channel estimation in an ofdm system with high doppler shift |
| US8761312B2 (en) | 2005-02-11 | 2014-06-24 | Qualcomm Incorporated | Selection of a thresholding parameter for channel estimation |
| JP2006222836A (ja) | 2005-02-14 | 2006-08-24 | Matsushita Electric Ind Co Ltd | 受信装置、受信回路、受信方法及び受信プログラム |
| GB0517303D0 (en) * | 2005-08-23 | 2005-10-05 | Netronome Systems Inc | System and method for processing secure transmissions |
| US7733989B2 (en) * | 2005-12-05 | 2010-06-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system of channel estimation |
-
2006
- 2006-08-28 US US11/467,730 patent/US8363536B2/en active Active
-
2007
- 2007-08-27 JP JP2009526672A patent/JP5001370B2/ja not_active Expired - Fee Related
- 2007-08-27 WO PCT/US2007/018856 patent/WO2008027344A2/en active Application Filing
- 2007-08-27 AU AU2007290576A patent/AU2007290576B2/en not_active Ceased
- 2007-08-27 KR KR1020097006557A patent/KR101043477B1/ko active IP Right Grant
- 2007-08-27 BR BRPI0716389-4A2A patent/BRPI0716389A2/pt not_active IP Right Cessation
- 2007-08-27 EP EP07837390A patent/EP2070280B1/en not_active Not-in-force
- 2007-08-27 AT AT07837390T patent/ATE522057T1/de not_active IP Right Cessation
- 2007-08-27 CA CA002661091A patent/CA2661091A1/en not_active Abandoned
- 2007-08-27 RU RU2009111230/09A patent/RU2418372C2/ru not_active IP Right Cessation
- 2007-08-27 CN CNA2007800319814A patent/CN101601243A/zh active Pending
- 2007-08-27 UA UAA200902848A patent/UA92664C2/uk unknown
- 2007-08-27 MX MX2009002099A patent/MX2009002099A/es active IP Right Grant
-
2009
- 2009-02-08 IL IL196952A patent/IL196952A0/en unknown
- 2009-02-19 NO NO20090799A patent/NO20090799L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US8363536B2 (en) | 2013-01-29 |
| AU2007290576B2 (en) | 2010-12-16 |
| NO20090799L (no) | 2009-03-27 |
| IL196952A0 (en) | 2009-11-18 |
| EP2070280B1 (en) | 2011-08-24 |
| US20080049598A1 (en) | 2008-02-28 |
| AU2007290576A1 (en) | 2008-03-06 |
| CN101601243A (zh) | 2009-12-09 |
| EP2070280A2 (en) | 2009-06-17 |
| ATE522057T1 (de) | 2011-09-15 |
| JP5001370B2 (ja) | 2012-08-15 |
| BRPI0716389A2 (pt) | 2013-09-24 |
| MX2009002099A (es) | 2009-03-31 |
| RU2418372C2 (ru) | 2011-05-10 |
| WO2008027344A3 (en) | 2008-07-24 |
| JP2010503268A (ja) | 2010-01-28 |
| KR101043477B1 (ko) | 2011-06-23 |
| CA2661091A1 (en) | 2008-03-06 |
| KR20090048647A (ko) | 2009-05-14 |
| RU2009111230A (ru) | 2010-10-10 |
| WO2008027344A2 (en) | 2008-03-06 |
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